⟁ Washington Well Data field records · 2026 survey

Washington Well Data › Franklin County › ZIP 99330

ZIP 99330, Franklin County: well depth, water level & drilling cost

✓ 78 Ecology records · Franklin County

225 ftmedian well depth
156 ft–340 fttypical depth range
72 ftmedian static water level
25 gpmmedian yield (29 tests)

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How deep are wells in ZIP 99330, Washington?

The median drilled well depth in ZIP 99330 is 225 ft, based on 78 wells with recorded depths in the state Ecology database. Half fall between 156 ft and 340 ft; 90% are shallower than 409 ft.

How much does it cost to drill a well in ZIP 99330?

Applying published per-foot rates to the local median depth of 225 ft: drilling and casing alone typically runs $5,625–$14,625; a complete system including pump, pressure tank, and hookup typically runs $13,500–$22,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in ZIP 99330?

The median static water level is 72 ft below ground surface (middle half of wells: 40 ft–134 ft), from 27 measurements.

Drilled depth distribution

0–50 ft 0 50–100 ft 5 100–150 ft 12 150–200 ft 11 200–300 ft 21 300–400 ft 18 400–600 ft 6 600+ ft 5
Looking at a specific property in ZIP 99330?

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Part of Franklin County well records.

Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions excluded; depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.